2007-11-07 Thomas Schwinge <tschwinge@gnu.org>

	* config.make.in (gnu89-inline-CFLAGS): New variable.
	* Makeconf (CFLAGS): Evaluate that one instead of hard-coding.
	Suggested by Olaf Buddenhagen,
	<http://lists.gnu.org/archive/html/bug-hurd/2007-11/msg00006.html>
	* configure.in (libc_cv_gnu89_inline): Fill depending on a compile-time
	test, as per glibc HEAD, 2007-11-07.

ChangeLog

@@ -1,3 +1,12 @@
+2007-11-07  Thomas Schwinge  <tschwinge@gnu.org>
+
+	* config.make.in (gnu89-inline-CFLAGS): New variable.
+	* Makeconf (CFLAGS): Evaluate that one instead of hard-coding.
+	Suggested by Olaf Buddenhagen,
+	<http://lists.gnu.org/archive/html/bug-hurd/2007-11/msg00006.html>
+	* configure.in (libc_cv_gnu89_inline): Fill depending on a compile-time
+	test, as per glibc HEAD, 2007-11-07.
+
 2007-10-07  Thomas Schwinge  <tschwinge@gnu.org>
 
 	* Makeconf (CFLAGS): Add ``-fgnu89-inline''.

Makeconf

@@ -65,7 +65,7 @@ INCLUDES += -I$(..)include -I$(top_srcdir)/include
 CPPFLAGS += $(INCLUDES) \
 	     -D_GNU_SOURCE -D_IO_MTSAFE_IO -D_FILE_OFFSET_BITS=64 \
 	    $($*-CPPFLAGS)
-CFLAGS += -std=gnu99 -fgnu89-inline -Wall -g -O3 \
+CFLAGS += -std=gnu99 $(gnu89-inline-CFLAGS) -Wall -g -O3 \
 	    $($*-CFLAGS)
 
 # Include the configure-generated file of parameters.

config.make.in

@@ -51,6 +51,8 @@ CPPFLAGS += @CPPFLAGS@ @DEFS@
 CFLAGS += @CFLAGS@
 LDFLAGS += @LDFLAGS@
 
+gnu89-inline-CFLAGS = @libc_cv_gnu89_inline@
+
 # `yes' or `no' to indicate if ld --version-script is available.
 VERSIONING = @VERSIONING@
 

configure.in

@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_REVISION([$Id: configure.in,v 1.36 2005/04/07 20:48:40 ams Exp $])
+AC_REVISION([$Id: configure.in,v 1.37 2007/11/07 13:07:52 tschwinge Exp $])
 AC_PREREQ(2.54)			dnl Minimum Autoconf version required.
 AC_INIT
 AC_CONFIG_SRCDIR([hurd/hurd_types.h])	dnl File to look for in srcdir.
@@ -156,6 +156,33 @@ AC_SUBST(VERSIONING)
 # Check if libc contains getgrouplist and/or uselocale.
 AC_CHECK_FUNCS(getgrouplist uselocale)
 
+
+# From glibc HEAD, 2007-11-07.
+AC_CACHE_CHECK(for -fgnu89-inline, libc_cv_gnu89_inline, [dnl
+cat > conftest.c <<EOF
+int foo;
+#ifdef __GNUC_GNU_INLINE__
+main () { return 0;}
+#else
+#error
+#endif
+EOF
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -S -std=gnu99 -fgnu89-inline
+			    -o conftest.s conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+  libc_cv_gnu89_inline=yes
+else
+  libc_cv_gnu89_inline=no
+fi
+rm -f conftest*])
+if test $libc_cv_gnu89_inline = yes; then
+  libc_cv_gnu89_inline=-fgnu89-inline
+else
+  libc_cv_gnu89_inline=
+fi
+AC_SUBST(libc_cv_gnu89_inline)
+
+
 AC_ARG_WITH(parted, dnl
 [  --without-parted        don't try to use GNU Parted libraries],
 	    , with_parted=yes)